Add sdnr wt websocketmanager2

Add complete sdnr wireless transport app websocketmanager2

Change-Id: I94cb9bb4c6bf664e1a3869cbb0c3b26ecbe9c28e
Issue-ID: SDNC-572
Signed-off-by: Herbert Eiselt <herbert.eiselt@highstreet-technologies.com>

7 files changed, 831 insertions, 0 deletions

diff --git a/sdnr/wt/websocketmanager2/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/websocketmanager2/Blueprint.java b/sdnr/wt/websocketmanager2/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/websocketmanager2/Blueprint.java
new file mode 100644
index 000000000..32d9d7a4b
--- /dev/null
+++ b/sdnr/wt/websocketmanager2/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/websocketmanager2/Blueprint.java
@@ -0,0 +1,37 @@
+/*******************************************************************************
+ * ============LICENSE_START========================================================================
+ * ONAP : ccsdk feature sdnr wt
+ * =================================================================================================
+ * Copyright (C) 2019 highstreet technologies GmbH Intellectual Property. All rights reserved.
+ * =================================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except
+ * in compliance with the License. You may obtain a copy of the License at
+ * 
+ * http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software distributed under the License
+ * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
+ * or implied. See the License for the specific language governing permissions and limitations under
+ * the License.
+ * ============LICENSE_END==========================================================================
+ ******************************************************************************/
+package org.onap.ccsdk.features.sdnr.wt.websocketmanager2;
+
+import org.opendaylight.controller.sal.binding.api.RpcProviderRegistry;
+
+public abstract class Blueprint implements AutoCloseable {
+
+    private RpcProviderRegistry rpcProviderRegistry = null;
+
+    public abstract void init();
+
+    public void setRpcProviderRegistry(RpcProviderRegistry rpcProviderRegistry) {
+        this.rpcProviderRegistry = rpcProviderRegistry;
+    }
+
+    public RpcProviderRegistry getRpcProviderRegistry() {
+        return this.rpcProviderRegistry;
+    }
+
+
+}
diff --git a/sdnr/wt/websocketmanager2/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/websocketmanager2/WebSocketManager.java b/sdnr/wt/websocketmanager2/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/websocketmanager2/WebSocketManager.java
new file mode 100644
index 000000000..18066128f
--- /dev/null
+++ b/sdnr/wt/websocketmanager2/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/websocketmanager2/WebSocketManager.java
@@ -0,0 +1,140 @@
+/*******************************************************************************
+ * ============LICENSE_START========================================================================
+ * ONAP : ccsdk feature sdnr wt
+ * =================================================================================================
+ * Copyright (C) 2019 highstreet technologies GmbH Intellectual Property. All rights reserved.
+ * =================================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except
+ * in compliance with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License
+ * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
+ * or implied. See the License for the specific language governing permissions and limitations under
+ * the License.
+ * ============LICENSE_END==========================================================================
+ ******************************************************************************/
+package org.onap.ccsdk.features.sdnr.wt.websocketmanager2;
+
+import com.google.common.util.concurrent.ListenableFuture;
+import java.net.URI;
+import java.net.URISyntaxException;
+import java.util.ArrayList;
+import org.eclipse.jetty.websocket.servlet.WebSocketServlet;
+import org.eclipse.jetty.websocket.servlet.WebSocketServletFactory;
+import org.json.JSONObject;
+import org.onap.ccsdk.features.sdnr.wt.websocketmanager2.WebSocketManagerSocket.EventInputCallback;
+import org.onap.ccsdk.features.sdnr.wt.websocketmanager2.utils.AkkaConfig;
+import org.onap.ccsdk.features.sdnr.wt.websocketmanager2.utils.AkkaConfig.ClusterConfig;
+import org.onap.ccsdk.features.sdnr.wt.websocketmanager2.utils.AkkaConfig.ClusterNodeInfo;
+import org.onap.ccsdk.features.sdnr.wt.websocketmanager2.websocket.SyncWebSocketClient;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.websocketmanager.rev150105.WebsocketEventInput;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.websocketmanager.rev150105.WebsocketEventOutput;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.websocketmanager.rev150105.WebsocketEventOutputBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.websocketmanager.rev150105.WebsocketmanagerService;
+import org.opendaylight.yangtools.yang.common.RpcResult;
+import org.opendaylight.yangtools.yang.common.RpcResultBuilder;
+import org.opendaylight.yangtools.yang.common.RpcError.ErrorType;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+public class WebSocketManager extends WebSocketServlet implements WebsocketmanagerService {
+
+    private static final long serialVersionUID = -681665669062744439L;
+
+    private static final Logger LOG = LoggerFactory.getLogger(WebSocketManager.class.getName());
+    private static final String APPLICATION_NAME = WebSocketManager.class.getName();
+    private static final int PORT = 8181;
+    private final EventInputCallback rpcEventInputCallback;
+
+    /**
+     * timeout for websocket with no messages in ms
+     */
+    private static final long IDLE_TIMEOUT = 5 * 60 * 1000L;
+
+    private final ArrayList<URI> clusterNodeClients = new ArrayList<>();
+
+    public WebSocketManager() {
+       super();
+       rpcEventInputCallback = message -> {
+        LOG.debug("onMessagePushed: " + message);
+        SyncWebSocketClient client;
+        for (URI clientURI : WebSocketManager.this.clusterNodeClients) {
+            client = new SyncWebSocketClient(clientURI);
+            LOG.debug("try to push message to " + client.getURI());
+            client.openAndSendAndCloseSync(message);
+        }
+    };
+        LOG.info("Create servlet for {}", APPLICATION_NAME);
+    }
+
+    @Override
+    public void configure(WebSocketServletFactory factory) {
+        LOG.info("Configure provider for {}", APPLICATION_NAME);
+        // set a second timeout
+        factory.getPolicy().setIdleTimeout(IDLE_TIMEOUT);
+        factory.getPolicy().setMaxBinaryMessageSize(1);
+        factory.getPolicy().setMaxTextMessageSize(64 * 1024);
+
+        // register Socket as the WebSocket to create on Upgrade
+        factory.register(WebSocketManagerSocket.class);
+
+        AkkaConfig cfg = null;
+        try {
+            cfg = AkkaConfig.load();
+        } catch (Exception e) {
+            LOG.warn("problem loading akka config: " + e.getMessage());
+        }
+        if (cfg != null && cfg.isCluster()) {
+            this.initWSClients(cfg.getClusterConfig());
+        }
+    }
+
+    // ODL in Dublin version generates ListenableFuture that is child of Future.
+    @Override
+    public ListenableFuture<RpcResult<WebsocketEventOutput>> websocketEvent(WebsocketEventInput input) {
+        LOG.debug("Send message '{}'", input);
+        RpcResultBuilder<WebsocketEventOutput> result;
+        try {
+            WebsocketEventOutputBuilder outputBuilder = new WebsocketEventOutputBuilder();
+            final String s = input.getXmlEvent();
+            WebSocketManagerSocket.broadCast(input.getNodeName(), input.getEventType(), s);
+            outputBuilder.setResponse("OK");
+            try {
+                JSONObject o = new JSONObject();
+                o.put(WebSocketManagerSocket.KEY_NODENAME, input.getNodeName());
+                o.put(WebSocketManagerSocket.KEY_EVENTTYPE, input.getEventType());
+                o.put(WebSocketManagerSocket.KEY_XMLEVENT, input.getXmlEvent());
+                this.rpcEventInputCallback.onMessagePushed(o.toString());
+            } catch (Exception err) {
+                LOG.warn("problem pushing messsage to other nodes: " + err.getMessage());
+            }
+            result = RpcResultBuilder.success(outputBuilder);
+        } catch (Exception e) {
+            LOG.warn("Socketproblem: {}", e);
+            result = RpcResultBuilder.failed();
+            result.withError(ErrorType.APPLICATION, "Exception", e);
+        }
+        return result.buildFuture();
+    }
+
+    /**********************************************************
+     * Private functions
+     */
+
+    private void initWSClients(ClusterConfig clusterConfig) {
+        for (ClusterNodeInfo nodeConfig : clusterConfig.getSeedNodes()) {
+            if (clusterConfig.isMe(nodeConfig)) {
+                continue;
+            }
+            String url = String.format("ws://%s:%d/websocket", nodeConfig.getRemoteAddress(), PORT);
+            try {
+                LOG.debug("registering ws client for " + url);
+                clusterNodeClients.add(new URI(url));
+            } catch (URISyntaxException e) {
+                LOG.warn("problem instantiating wsclient for url: " + url);
+            }
+        }
+    }
+}
diff --git a/sdnr/wt/websocketmanager2/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/websocketmanager2/WebSocketManagerProvider.java b/sdnr/wt/websocketmanager2/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/websocketmanager2/WebSocketManagerProvider.java
new file mode 100644
index 000000000..737fe5463
--- /dev/null
+++ b/sdnr/wt/websocketmanager2/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/websocketmanager2/WebSocketManagerProvider.java
@@ -0,0 +1,95 @@
+/*******************************************************************************
+ * ============LICENSE_START========================================================================
+ * ONAP : ccsdk feature sdnr wt
+ * =================================================================================================
+ * Copyright (C) 2019 highstreet technologies GmbH Intellectual Property. All rights reserved.
+ * =================================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except
+ * in compliance with the License. You may obtain a copy of the License at
+ * 
+ * http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software distributed under the License
+ * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
+ * or implied. See the License for the specific language governing permissions and limitations under
+ * the License.
+ * ============LICENSE_END==========================================================================
+ ******************************************************************************/
+package org.onap.ccsdk.features.sdnr.wt.websocketmanager2;
+
+import javax.servlet.ServletException;
+
+import org.opendaylight.controller.sal.binding.api.BindingAwareBroker.RpcRegistration;
+import org.opendaylight.controller.sal.binding.api.RpcProviderRegistry;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.websocketmanager.rev150105.WebsocketmanagerService;
+import org.osgi.service.http.HttpService;
+import org.osgi.service.http.NamespaceException;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+public class WebSocketManagerProvider extends Blueprint {
+
+	private static final Logger LOG = LoggerFactory.getLogger(WebSocketManagerProvider.class);
+	private static final String APPLICATION_NAME = WebSocketManagerProvider.class.getName();
+	private static final String ALIAS = "/websocket";
+
+	private WebSocketManager wsServlet = null;
+	private RpcRegistration<WebsocketmanagerService> websocketService = null;
+	
+	public WebSocketManagerProvider() {
+		LOG.info("Creating provider for {}", APPLICATION_NAME);
+	}
+
+	@Override
+	public void init() {
+		LOG.info("Init provider for {}", APPLICATION_NAME);
+		RpcProviderRegistry rpcProviderRegistry = this.getRpcProviderRegistry();
+		if (rpcProviderRegistry != null) {
+			if (wsServlet != null) {
+				this.websocketService = rpcProviderRegistry.addRpcImplementation(WebsocketmanagerService.class,
+						wsServlet);
+			} else {
+				LOG.error("wsServlet not provided");
+			}
+		} else {
+			LOG.error("rpcProviderRegistry not provided");
+		}
+	}
+
+	@Override
+	public void close() throws Exception {
+		LOG.info("Close provider for {}", APPLICATION_NAME);
+		if (websocketService != null) {
+			websocketService.close();
+		}
+	}
+
+	public void onUnbindService(HttpService httpService) {
+		httpService.unregister(ALIAS);
+		wsServlet = null;
+	}
+
+	public void onBindService(HttpService httpService) throws ServletException, NamespaceException {
+		if (httpService == null) {
+			LOG.warn("Unable to inject HttpService into DluxLoader. dlux modules won't work without httpService");
+		} else {
+		    
+			wsServlet = new WebSocketManager();
+			httpService.registerServlet(ALIAS, wsServlet, null, null);
+			LOG.info("websocket servlet registered.");
+			if(this.websocketService==null)
+				this.init();
+			else
+				LOG.info("websocketservice already initialized");
+		}
+
+	}
+
+	public WebSocketManager getWsServlet() {
+		return wsServlet;
+	}
+
+	public void setWsServlet(WebSocketManager wsServlet) {
+		this.wsServlet = wsServlet;
+	}
+}
diff --git a/sdnr/wt/websocketmanager2/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/websocketmanager2/WebSocketManagerSocket.java b/sdnr/wt/websocketmanager2/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/websocketmanager2/WebSocketManagerSocket.java
new file mode 100644
index 000000000..f445bcd23
--- /dev/null
+++ b/sdnr/wt/websocketmanager2/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/websocketmanager2/WebSocketManagerSocket.java
@@ -0,0 +1,216 @@
+/*******************************************************************************
+ * ============LICENSE_START========================================================================
+ * ONAP : ccsdk feature sdnr wt
+ * =================================================================================================
+ * Copyright (C) 2019 highstreet technologies GmbH Intellectual Property. All rights reserved.
+ * =================================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except
+ * in compliance with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License
+ * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
+ * or implied. See the License for the specific language governing permissions and limitations under
+ * the License.
+ * ============LICENSE_END==========================================================================
+ ******************************************************************************/
+package org.onap.ccsdk.features.sdnr.wt.websocketmanager2;
+
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+import java.util.Random;
+
+import org.eclipse.jetty.websocket.api.Session;
+import org.eclipse.jetty.websocket.api.WebSocketAdapter;
+import org.json.JSONObject;
+import org.onap.ccsdk.features.sdnr.wt.websocketmanager2.utils.UserScopes;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+public class WebSocketManagerSocket extends WebSocketAdapter {
+
+    private static final Logger LOG = LoggerFactory.getLogger(WebSocketManagerSocket.class.getName());
+
+    public static final String MSG_KEY_DATA = "data";
+    public static final String MSG_KEY_SCOPES = "scopes";
+    public static final String MSG_KEY_PARAM = "param";
+    public static final String MSG_KEY_VALUE = "value";
+    public static final String MSG_KEY_SCOPE = "scope";
+
+    public static final String KEY_NODENAME = "nodename";
+    public static final String KEY_EVENTTYPE = "eventtype";
+    public static final String KEY_XMLEVENT = "xmlevent";
+
+    private static final Random RND = new Random();
+
+
+    /**
+     * list of all sessionids
+     */
+    private static final List<String> sessionIds = new ArrayList<>();
+    /**
+     * map of sessionid <=> UserScopes
+     */
+    private static final HashMap<String, UserScopes> userScopesList = new HashMap<>();
+    /**
+     * map of class.hashCode <=> class
+     */
+    private static final HashMap<String, WebSocketManagerSocket> clientList = new HashMap<>();
+    private final String myUniqueSessionId;
+
+    private Session session = null;
+
+    public interface EventInputCallback {
+        void onMessagePushed(final String message) throws Exception;
+    }
+
+    public WebSocketManagerSocket() {
+        this.myUniqueSessionId = _genSessionId();
+    }
+
+    @Override
+    protected void finalize() throws Throwable {
+        sessionIds.remove(this.myUniqueSessionId);
+    }
+
+    private static String _genSessionId() {
+        String sid = String.valueOf(RND.nextLong());
+        while (sessionIds.contains(sid)) {
+            sid = String.valueOf(RND.nextLong());
+        }
+        sessionIds.add(sid);
+        return sid;
+    }
+
+    @Override
+    public void onWebSocketText(String message) {
+        LOG.info(this.getRemoteAdr() + " has sent " + message);
+        if (!this.manageClientRequest(message)) {
+            this.manageClientRequest2(message);
+        }
+
+    }
+
+    @Override
+    public void onWebSocketBinary(byte[] payload, int offset, int len) {
+
+    }
+
+    @Override
+    public void onWebSocketConnect(Session sess) {
+        this.session = sess;
+        clientList.put(String.valueOf(this.hashCode()), this);
+        LOG.debug("client connected from " + this.getRemoteAdr());
+    }
+
+    @Override
+    public void onWebSocketClose(int statusCode, String reason) {
+        clientList.remove(String.valueOf(this.hashCode()));
+        LOG.debug("client disconnected from " + this.getRemoteAdr());
+    }
+
+    @Override
+    public void onWebSocketError(Throwable cause) {
+
+        LOG.debug("error caused on " + this.getRemoteAdr() + " :" + cause.getMessage());
+        // super.onWebSocketError(cause);
+    }
+
+    private String getRemoteAdr() {
+        String adr = "unknown";
+        try {
+            adr = this.session.getRemoteAddress().toString();
+        } catch (Exception e) {
+            LOG.debug("error resolving adr: {}", e.getMessage());
+        }
+        return adr;
+    }
+
+    /**
+     *
+     * @param request is a json object
+     *                {"data":"scopes","scopes":["scope1","scope2",...]}
+     * @return if handled
+     */
+    private boolean manageClientRequest(String request) {
+        boolean ret = false;
+        try {
+            JSONObject jsonMessage = new JSONObject(request);
+            if (jsonMessage.has(MSG_KEY_DATA)) {
+                String data = jsonMessage.getString(MSG_KEY_DATA);
+                if (data.equals(MSG_KEY_SCOPES)) {
+                    ret = true;
+                    String sessionId = this.getSessionId();
+                    UserScopes clientDto = new UserScopes();
+                    clientDto.setScopes(jsonMessage.getJSONArray(MSG_KEY_SCOPES));
+                    userScopesList.put(sessionId, clientDto);
+                    this.send(
+                            "You are connected to the Opendaylight Websocket server and scopes are : " + request + "");
+                }
+            }
+        } catch (Exception e) {
+            LOG.warn("problem set scope: " + e.getMessage());
+            this.send("Your request to the Opendaylight Websocket server is >> " + request
+                    + " << which failed because of following exception >> " + e.toString());
+        }
+        return ret;
+    }
+
+    /*
+     * broadcast message to all your clients
+     */
+    private void manageClientRequest2(String request) {
+        try {
+            JSONObject o = new JSONObject(request);
+            if (o.has(KEY_NODENAME) && o.has(KEY_EVENTTYPE)) {
+                broadCast(o.getString(KEY_NODENAME), o.getString(KEY_EVENTTYPE), o.getString(KEY_XMLEVENT));
+            }
+        } catch (Exception e) {
+            LOG.warn("handle ws request failed:" + e.getMessage());
+        }
+    }
+
+    private void send(String msg) {
+        try {
+            LOG.trace("sending {}", msg);
+            this.session.getRemote().sendString(msg);
+        } catch (Exception e) {
+            LOG.warn("problem sending message: " + e.getMessage());
+        }
+    }
+
+    private String getSessionId() {
+        return this.myUniqueSessionId;
+    }
+
+    public static void broadCast(String nodeName, String eventType, String xmlEvent) {
+        if (clientList != null && clientList.size() > 0) {
+            for (Map.Entry<String, WebSocketManagerSocket> entry : clientList.entrySet()) {
+                WebSocketManagerSocket socket = entry.getValue();
+                if (socket != null) {
+                    try {
+
+                        UserScopes clientScopes = userScopesList.get(socket.getSessionId());
+                        if (clientScopes != null) {
+                            if (clientScopes.hasScope(eventType)) {
+                                socket.send(xmlEvent);
+                            } else {
+                                LOG.debug("client has not scope {}", eventType);
+                            }
+                        } else {
+                            LOG.debug("no scopes for notifications registered");
+                        }
+                    } catch (Exception ioe) {
+                        LOG.warn(ioe.getMessage());
+                    }
+                } else {
+                    LOG.debug("cannot broadcast. socket is null");
+                }
+            }
+        }
+    }
+
+}
diff --git a/sdnr/wt/websocketmanager2/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/websocketmanager2/utils/AkkaConfig.java b/sdnr/wt/websocketmanager2/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/websocketmanager2/utils/AkkaConfig.java
new file mode 100644
index 000000000..4381595a7
--- /dev/null
+++ b/sdnr/wt/websocketmanager2/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/websocketmanager2/utils/AkkaConfig.java
@@ -0,0 +1,206 @@
+/*******************************************************************************
+ * ============LICENSE_START========================================================================
+ * ONAP : ccsdk feature sdnr wt
+ * =================================================================================================
+ * Copyright (C) 2019 highstreet technologies GmbH Intellectual Property. All rights reserved.
+ * =================================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except
+ * in compliance with the License. You may obtain a copy of the License at
+ * 
+ * http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software distributed under the License
+ * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
+ * or implied. See the License for the specific language governing permissions and limitations under
+ * the License.
+ * ============LICENSE_END==========================================================================
+ ******************************************************************************/
+package org.onap.ccsdk.features.sdnr.wt.websocketmanager2.utils;
+
+import java.io.File;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+import org.onap.ccsdk.features.sdnr.wt.websocketmanager2.WebSocketManager;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import com.typesafe.config.Config;
+import com.typesafe.config.ConfigFactory;
+
+public class AkkaConfig{
+
+    private static final Logger LOG = LoggerFactory.getLogger(WebSocketManager.class.getName());
+
+    public static class ClusterNodeInfo
+    {
+        @Override
+        public String toString() {
+            return "ClusterNodeInfo [protocol=" + protocol + ", clusterName=" + clusterName + ", remoteAdr=" + remoteAdr
+                    + ", port=" + port + "]";
+        }
+        private final String protocol;
+        private final String clusterName;
+        private final String remoteAdr;
+        private final int port;
+
+        public String getRemoteAddress() {return this.remoteAdr;}
+        public ClusterNodeInfo(String s) throws Exception
+        {
+            final String regex ="([a-z.]*):\\/\\/([a-zA-Z0-9-]*)@([a-zA-Z0-9.-]*):([0-9]*)";
+            final Pattern pattern = Pattern.compile(regex);
+            final Matcher matcher = pattern.matcher(s);
+            if(!matcher.find()) {
+                throw new Exception("invalid seedNode format");
+            }
+            this.protocol=matcher.group(1);
+            this.clusterName=matcher.group(2);
+            this.remoteAdr=matcher.group(3);
+            this.port=Integer.parseInt(matcher.group(4));
+        }
+    }
+    public static class ClusterRoleInfo
+    {
+        @Override
+        public String toString() {
+            return "ClusterRoleInfo [Role=" + Role + ", Index=" + Index + "]";
+        }
+
+        private final String Role;
+        private final int Index;
+        public ClusterRoleInfo(String s) throws Exception {
+            final String regex = "([a-z]*)-([0-9]*)";
+            final Pattern pattern = Pattern.compile(regex);
+            final Matcher matcher = pattern.matcher(s);
+            if(!matcher.find()) {
+                throw new Exception("invalid role format");
+            }
+            this.Role=matcher.group(1);
+            this.Index=Integer.parseInt(matcher.group(2));
+        }
+
+    }
+    public static class ClusterConfig
+    {
+        @Override
+        public String toString() {
+            return "ClusterConfig [seedNodes=" + seedNodes + ", roles=" + roles + "]";
+        }
+        private final List<ClusterNodeInfo> seedNodes;
+        private final List<ClusterRoleInfo> roles;
+        private final ClusterNodeInfo ismeInfo;
+        public ClusterConfig(Config o) throws Exception {
+            {
+            this.seedNodes = new ArrayList<>();
+            List<String> a= o.getStringList("seed-nodes");
+            for(int i=0;i<a.size();i++)
+            {
+                ClusterNodeInfo info=new ClusterNodeInfo(a.get(i));
+                this.seedNodes.add(info);
+            }
+            this.roles=new ArrayList<>();
+            a=o.getStringList("roles");
+            for(int i=0;i<a.size();i++)
+            {
+                ClusterRoleInfo s=new ClusterRoleInfo(a.get(i));
+                this.roles.add(s);
+            }
+            int idx=this.roles.get(0).Index-1;
+            if(idx>=0 && idx<this.seedNodes.size()) {
+                this.ismeInfo=this.seedNodes.get(idx);
+            } else {
+                this.ismeInfo=null;
+            }
+        }
+
+    }
+        public boolean isCluster() {
+            return this.seedNodes!=null?this.seedNodes.size()>1:false;
+        }
+        public boolean isMe(ClusterNodeInfo i) {
+            return this.ismeInfo!=null?this.ismeInfo.equals(i):false;
+        }
+        public List<ClusterNodeInfo> getSeedNodes() {
+            return this.seedNodes;
+        }
+    }
+
+    private static final String DEFAULT_FILENAME = "configuration/initial/akka.conf";
+    private final File file;
+    private final String resourceFilename;
+    private final String fileContent;
+    private ClusterConfig cluserConfig;
+    public ClusterConfig getClusterConfig() {return this.cluserConfig;}
+
+    private AkkaConfig(File file,boolean isResource) {
+        this.file=isResource?null:file;
+        this.fileContent=null;
+        this.resourceFilename=isResource?file.getName():null;
+    }
+    private AkkaConfig(String fileContent) {
+        this.file = null;
+        this.fileContent = fileContent;
+        this.resourceFilename = null;
+    }
+
+
+    @Override
+    public String toString() {
+        return "AkkaConfig [filename=" + file + ", cluserConfig=" + cluserConfig + "]";
+    }
+
+    private void loadFromFile() throws Exception {
+        Config cfg=null;
+        if(this.file!=null) {
+            cfg=ConfigFactory.parseFile(this.file);
+        } else if(this.fileContent!=null) {
+            cfg=ConfigFactory.parseString(this.fileContent);
+        } else if(this.resourceFilename!=null) {
+            cfg=ConfigFactory.parseResources(this.getClass(), this.resourceFilename);
+        }
+
+        if(cfg!=null) {
+            this.cluserConfig=new ClusterConfig(cfg.getConfig("odl-cluster-data").getConfig("akka").getConfig("cluster"));
+        } else
+        {
+            LOG.warn("unable to parse config file");
+            this.cluserConfig=null;
+        }
+    }
+
+    public boolean isCluster()
+    {
+        return this.cluserConfig!=null?this.cluserConfig.isCluster():false;
+    }
+    public static AkkaConfig load() throws Exception
+    {
+        return load(DEFAULT_FILENAME);
+    }
+
+    public static AkkaConfig load(String filename) throws Exception
+    {
+        return load(filename,false);
+    }
+    public static AkkaConfig load(String filename,boolean isResource) throws Exception
+    {
+        AkkaConfig cfg=new AkkaConfig(new File(filename),isResource);
+        cfg.loadFromFile();
+
+        return cfg;
+    }
+    public static AkkaConfig loadContent(String content) throws Exception
+    {
+        AkkaConfig cfg=new AkkaConfig(content);
+        cfg.loadFromFile();
+
+        return cfg;
+    }
+
+
+
+
+
+
+
+}
diff --git a/sdnr/wt/websocketmanager2/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/websocketmanager2/utils/UserScopes.java b/sdnr/wt/websocketmanager2/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/websocketmanager2/utils/UserScopes.java
new file mode 100644
index 000000000..5dd503c73
--- /dev/null
+++ b/sdnr/wt/websocketmanager2/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/websocketmanager2/utils/UserScopes.java
@@ -0,0 +1,46 @@
+/*******************************************************************************
+ * ============LICENSE_START========================================================================
+ * ONAP : ccsdk feature sdnr wt
+ * =================================================================================================
+ * Copyright (C) 2019 highstreet technologies GmbH Intellectual Property. All rights reserved.
+ * =================================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except
+ * in compliance with the License. You may obtain a copy of the License at
+ * 
+ * http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software distributed under the License
+ * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
+ * or implied. See the License for the specific language governing permissions and limitations under
+ * the License.
+ * ============LICENSE_END==========================================================================
+ ******************************************************************************/
+package org.onap.ccsdk.features.sdnr.wt.websocketmanager2.utils;
+
+import org.json.JSONArray;
+
+public class UserScopes {
+
+	private JSONArray scopes;
+
+	/**
+	 * 
+	 * @param jsonArray array of Strings
+	 */
+	public void setScopes(JSONArray jsonArray) {
+		this.scopes = jsonArray;
+	}
+
+	public boolean hasScope(String scope) {
+		if (this.scopes == null)
+			return false;
+		for (int i = 0, l = this.scopes.length(); i < l; i++) {
+			if (this.scopes.get(i).toString().equals(scope)) {
+				return true;
+			}
+		}
+
+		return false;
+	}
+
+}
diff --git a/sdnr/wt/websocketmanager2/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/websocketmanager2/websocket/SyncWebSocketClient.java b/sdnr/wt/websocketmanager2/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/websocketmanager2/websocket/SyncWebSocketClient.java
new file mode 100644
index 000000000..0afe06e13
--- /dev/null
+++ b/sdnr/wt/websocketmanager2/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/websocketmanager2/websocket/SyncWebSocketClient.java
@@ -0,0 +1,91 @@
+/*******************************************************************************
+ * ============LICENSE_START========================================================================
+ * ONAP : ccsdk feature sdnr wt
+ * =================================================================================================
+ * Copyright (C) 2019 highstreet technologies GmbH Intellectual Property. All rights reserved.
+ * =================================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except
+ * in compliance with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License
+ * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
+ * or implied. See the License for the specific language governing permissions and limitations under
+ * the License.
+ * ============LICENSE_END==========================================================================
+ ******************************************************************************/
+package org.onap.ccsdk.features.sdnr.wt.websocketmanager2.websocket;
+
+import java.net.URI;
+import java.net.URISyntaxException;
+
+import org.java_websocket.client.WebSocketClient;
+import org.java_websocket.handshake.ServerHandshake;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+public class SyncWebSocketClient extends WebSocketClient {
+
+	private static final Logger LOG = LoggerFactory.getLogger(SyncWebSocketClient.class.getName());
+	private String messageToSend;
+
+	public SyncWebSocketClient(URI serverUri) {
+		super(serverUri);
+	}
+
+	public SyncWebSocketClient(String uri) throws URISyntaxException {
+		this(new URI(uri));
+	}
+
+	@Override
+	public void onClose(int arg0, String arg1, boolean arg2) {
+		LOG.debug("socket closed: {} {} {}", arg0, arg1, arg2);
+
+	}
+
+	@Override
+	public void onError(Exception arg0) {
+		LOG.warn("error on socket: {}", arg0.getMessage());
+
+	}
+
+	@Override
+	public void onMessage(String arg0) {
+		LOG.debug("received message: {}", arg0);
+
+	}
+
+	@Override
+	public void onOpen(ServerHandshake arg0) {
+		LOG.debug("socket opened");
+		if (this.messageToSend != null) {
+			LOG.debug("try to send: " + this.messageToSend);
+			this.send(this.messageToSend);
+			this.messageToSend = null;
+		}
+
+	}
+
+	public void openAndSendAsync(String message) {
+		this.messageToSend = message;
+		this.connect();
+	}
+
+	public void openAndSendAndCloseSync(String message) {
+		try {
+			this.connectBlocking();
+		} catch (InterruptedException e) {
+			LOG.warn("problem connecting:" + e.getMessage());
+			Thread.currentThread().interrupt();
+		}
+		this.send(message);
+		try {
+			this.closeBlocking();
+		} catch (InterruptedException e) {
+			LOG.warn("problem disconnecting:" + e.getMessage());
+            Thread.currentThread().interrupt();
+		}
+	}
+
+}